package com.atguigu.gulicollege.service_oss.service;

import org.springframework.web.multipart.MultipartFile;

import java.util.Map;

public interface OssService {

    //上传头像到oss  提交到服务端  服务端提交到OOS
    String uploadFileAvatar(MultipartFile file);


    // 向后台要验签  前台直接提交到OOS
    Map<String, String> uplodepolicy();
}
